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Expired Canadian patentCanada

Fruit segmenter

CA 1330929 C · Owner: Whitmarsh, William R. · Inventors: Whitmarsh, William R.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A citrus fruit segmenter which uses a slicing lever mounted with a blade which is attached to the sidewalls of a frame by another pair of levers. The slicing lever with the blade nudges a resiliently biased crank lever which intermittently rotates a ratchet wheel upon which a cup is mounted to carry a half of grapefruit or large orange. The crank lever has a tooth element designed to engage the toothed ratchet wheel and to retract when working against a locking pawl. The tooth element is also resiliently biased. The resilient biasing of the crank lever and the toothed element are accomplished by corrosion-resistant "O" rings. All of the elements of the device are made of corrosionresistant …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 30, 1989
GrantedJuly 26, 1994
Term endedJuly 26, 2011
Patent numberCA 1330929 C
Classification (IPC)A23N4/00

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMay 30, 1989Patent grantedJuly 26, 1994Term endedJuly 26, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.